feat(CodeEditor): add isHighContrastTheme#12384
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WalkthroughAdds an optional ChangesHigh contrast theme feature
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🧹 Nitpick comments (2)
packages/react-code-editor/src/components/CodeEditor/CodeEditor.tsx (2)
160-161: Document the interaction withisDarkThemein the JSDoc.The behavior depends on
isDarkTheme(selectinghc-blackvshc-light), but the doc comment doesn't surface that. Consumers reading IDE hints will likely miss the dependency.📝 Proposed JSDoc clarification
- /** Flag indicating the editor is styled using monaco's high contrast themes. */ + /** Flag indicating the editor uses Monaco's built-in high-contrast themes. When enabled, + * `isDarkTheme` selects between `hc-black` (dark) and `hc-light` (light), overriding the + * default PatternFly themes. */ isHighContrastTheme?: boolean;🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@packages/react-code-editor/src/components/CodeEditor/CodeEditor.tsx` around lines 160 - 161, Update the JSDoc for the isHighContrastTheme prop to explicitly state it depends on isDarkTheme: document that when isHighContrastTheme is true the component will select Monaco's "hc-black" theme if isDarkTheme is true and "hc-light" if isDarkTheme is false (and that isDarkTheme takes precedence in choosing the specific high-contrast variant); reference the isHighContrastTheme and isDarkTheme symbols so consumers can see the interaction in IDE hints.
468-473:useMemois unnecessary for this computation.The branches return string literals from two boolean inputs — recomputing per render is effectively free, and the memoized value is consumed as a Monaco prop string, so referential stability buys nothing. A plain ternary keeps the code simpler.
♻️ Proposed simplification
- const theme = useMemo(() => { - if (isHighContrastTheme) { - return isDarkTheme ? 'hc-black' : 'hc-light'; - } - return isDarkTheme ? 'pf-v6-theme-dark' : 'pf-v6-theme-light'; - }, [isHighContrastTheme, isDarkTheme]); + const theme = isHighContrastTheme + ? (isDarkTheme ? 'hc-black' : 'hc-light') + : (isDarkTheme ? 'pf-v6-theme-dark' : 'pf-v6-theme-light');If you keep
useMemo,useMemocan be removed from the imports on line 1 if no other usage remains.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@packages/react-code-editor/src/components/CodeEditor/CodeEditor.tsx` around lines 468 - 473, The computed theme value using useMemo can be simplified: replace the useMemo-based assignment to the theme constant inside CodeEditor.tsx (which currently references isHighContrastTheme and isDarkTheme) with a direct ternary expression that returns the same string literals, and remove useMemo from the imports if no other usages remain.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Nitpick comments:
In `@packages/react-code-editor/src/components/CodeEditor/CodeEditor.tsx`:
- Around line 160-161: Update the JSDoc for the isHighContrastTheme prop to
explicitly state it depends on isDarkTheme: document that when
isHighContrastTheme is true the component will select Monaco's "hc-black" theme
if isDarkTheme is true and "hc-light" if isDarkTheme is false (and that
isDarkTheme takes precedence in choosing the specific high-contrast variant);
reference the isHighContrastTheme and isDarkTheme symbols so consumers can see
the interaction in IDE hints.
- Around line 468-473: The computed theme value using useMemo can be simplified:
replace the useMemo-based assignment to the theme constant inside CodeEditor.tsx
(which currently references isHighContrastTheme and isDarkTheme) with a direct
ternary expression that returns the same string literals, and remove useMemo
from the imports if no other usages remain.
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packages/react-code-editor/src/components/CodeEditor/CodeEditor.tsxpackages/react-code-editor/src/components/CodeEditor/examples/CodeEditor.mdpackages/react-code-editor/src/components/CodeEditor/examples/CodeEditorBasic.tsxpackages/react-code-editor/src/components/CodeEditor/examples/CodeEditorConfigurationModal.tsx
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@packages/react-code-editor/src/components/CodeEditor/CodeEditor.tsx`:
- Around line 468-473: The computed theme in CodeEditor is getting overridden by
caller-supplied editorProps.theme because editorProps is spread after theme; to
fix, ensure the component's computed theme cannot be overridden by moving the
spread before theme or by merging theme into editorProps (e.g., create
mergedEditorProps = { ...editorProps, theme } and pass mergedEditorProps) so the
local variable theme (from useMemo) always wins; update usages around the
CodeEditor render where theme and editorProps are applied (also apply same
change at the other occurrence noted near lines 592-593).
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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Configuration used: Organization UI
Review profile: CHILL
Plan: Pro
Run ID: f4186b34-70f2-4d20-a806-b72a95095b1f
📒 Files selected for processing (4)
packages/react-code-editor/src/components/CodeEditor/CodeEditor.tsxpackages/react-code-editor/src/components/CodeEditor/examples/CodeEditor.mdpackages/react-code-editor/src/components/CodeEditor/examples/CodeEditorBasic.tsxpackages/react-code-editor/src/components/CodeEditor/examples/CodeEditorConfigurationModal.tsx
✅ Files skipped from review due to trivial changes (1)
- packages/react-code-editor/src/components/CodeEditor/examples/CodeEditor.md
🚧 Files skipped from review as they are similar to previous changes (2)
- packages/react-code-editor/src/components/CodeEditor/examples/CodeEditorConfigurationModal.tsx
- packages/react-code-editor/src/components/CodeEditor/examples/CodeEditorBasic.tsx
3 tasks
kmcfaul
approved these changes
May 11, 2026
Adds a new prop, `isHighContrastTheme`, which switches the CodeEditor over to the monaco-provided `hc-black` and `hc-light` themes (based on the value of `isDarkTheme`) when enabled. A custom PatternFly variant of the hc-black and hc-light themes can come in a follow up, depending on the direction design wants to take on this
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What: Closes #12383
Adds a new prop,
isHighContrastTheme, which switches the CodeEditor over to the monaco-providedhc-blackandhc-lightthemes (based on the value ofisDarkTheme) when enabled.A custom PatternFly variant of the hc-black and hc-light themes can come in a follow up, depending on the direction design wants to take on this
Summary by CodeRabbit